fix: correct slug parameter structure in release notes routing

src/pages/release-notes/[...slug].astro

@@ -7,7 +7,7 @@ export async function getStaticPaths() {
     params: { slug: release.version },
     props: { ...release },
   })), {
-    params: { slug: ['latest'] },
+    params: { slug: 'latest' },
     props: { ...releaseNotes[0] },
   }];
 }